allErrs = append(allErrs, ValidateDiscoveryKubeConfigPath(f.KubeConfigPath, fldPath.Child("kubeConfigPath"))...)

	return allErrs
}

// ValidateDiscoveryTokenAPIServer validates discovery token for API server
func ValidateDiscoveryTokenAPIServer(apiServer string, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	_, _, err := net.SplitHostPort(apiServer)
	if err != nil {

			false,
		},
		{
			"192.168.122.100:6443",
			true,
		},
	}
	for _, rt := range tests {
		actual := ValidateDiscoveryTokenAPIServer(rt.apiServerEndpoint, nil)
		if (len(actual) == 0) != rt.expected {
			t.Errorf(
				"failed ValidateDiscoveryTokenAPIServer:\n\texpected: %t\n\t  actual: %t",
				rt.expected,
				(len(actual) == 0),
			)
		}
	}
}